SEKMAN, D.; KARAKAYA, V. On the $F$-contraction properties of multivalued integral type transformations. Methods of Functional Analysis and Topology, [S. l.], v. 25, n. 3, p. 282–288, 2019. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/732. Acesso em: 15 dec. 2025.